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प्रश्न
A light ray suffers reflection and refraction at the boundary in passing from air to water. Draw a neat labelled ray diagram to show it.
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उत्तर
Air is a rarer medium, while water is denser than air. Therefore, when a light ray travels from air to water, it will bend towards the normal.
Refraction from rarer to denser medium
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संबंधित प्रश्न
State whether light slows down or speeds up in the following cases :
Light going from water to air.
A light ray passes from water to
- air, and
- glass.
In each case, state how does the speed of light change.
When light travels from a denser to a rarer medium, its speed ______.
An obliquely incident light ray bends at the surface due to a change in speed when passing from one medium to another. The ray does not bend when it is incident normally. Will the ray have a different speed in the other medium?
The speed of light is maximum in ______.
Objects that allow light to pass through partially are called ______ material.
Materials that allow light to pass through completely are known as transparent materials.
Define transparent materials.
Define opaque material.
Two medium with a refractive index of 1.31 & 1.50 is given. In which case
- The bending of light is more and
- speed of light is more.
